Home / 25,989,840.20-38,942,769.90-16,388,035.40

Finding the Fourth Proportional to 25,989,840.20, 38,942,769.90 and 16,388,035.40

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Solution

The fourth proportional to 25,989,840.20, 38,942,769.90 and 16,388,035.40 is: 24,555,575.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,989,840.20 : 38,942,769.90 = 16,388,035.40 : x
  2. Step 2: Convert to fraction form
    25,989,840.20/38,942,769.90 = 16,388,035.40/x
  3. Step 3: Cross multiply
    25,989,840.20x = 38,942,769.90 × 16,388,035.40
  4. Step 4: Simplify right side
    25,989,840.20x = 638,195,491,695,254.50
  5. Step 5: Solve for x
    x = 638,195,491,695,254.50/25,989,840.20
  6. Step 6: Final answer
    x = 24,555,575.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.